Enrollment
36
High
DISTRICT 393 · STATE 573
SCHOOL COMMUNITY·WAHLUKE SCHOOL DISTRICT·NCES 530936002787
Sentinel Tech Alt School
20140 Rd 24 SW, Mattawa, WA 99349 · (509) 932-4565 · Grant County
GRADES 06–12HIGH42-RURALTITLE IALTERNATIVE EDUCATION SCHOOL36 STUDENTS
·
allk12 Grade
Not graded
Schools serving specialized populations are not graded, because state test results are not a fair comparison for them. How grades work
Student : Teacher
36.0:1
1 FTE teachers
DISTRICT 28.1:1 · STATE 21.6:1
Free / Reduced Lunch
92%
33 students
DISTRICT 86% · STATE 51%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 8 | 1 | 3% |
| Grade 9 | 1 | 3% |
| Grade 10 | 3 | 8% |
| Grade 11 | 13 | 36% |
| Grade 12 | 18 | 50% |
Student demographics
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
BeatsExpectations
Not computed for this schoolBeatsExpectations is not computed for specialized-population schools (schools for the deaf or blind, therapeutic and behavioral-health placements, juvenile-justice and alternative-education settings, and similar). State ELA/Math proficiency rates are not a comparable metric for these populations, so a demographically-adjusted residual against general-enrollment peers would be misleading. About the methodology →
Where Sentinel Tech Alt School ranks
Among high schools| Measure | This school | In Washington | In Grant County |
|---|---|---|---|
| Enrollment ranked largest first | 36 | #469 of 570 | #14 of 16 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
36
+10 (+38%) vs 2020
+44% since 2000-01, when it was 25
Student : Teacher
36.0:1
was 26.0:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 36 | 1 | 36.0:1 | 92% (33) |
| 2023-24 | 34 | 1 | 34.0:1 | 47% (16) |
| 2022-23 | 37 | 1 | 37.0:1 | 92% (34) |
| 2020-21 | 26 | 1 | 26.0:1 | 92% (24) |
| 2017-18 | 25 | 1 | 26.0:1 | 88% (22) |
| 2015-16 | 27 | 1 | 27.0:1 | 59% (16) |
| 2010-11 | 30 | 1 | 30.0:1 | 80% (24) |
| 2000-01 | 25 | N/A | N/A | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Sentinel Tech Alt School.
Since 2017-18: students up 44% (25 to 36); teachers up 4% (1 to 1).
About Sentinel Tech Alt School
Sentinel Tech Alt School is classified as a high school. It is located in Mattawa, Washington. It had 36 students in 2024-25, spanning grades 6 through 12. High schools in Washington average about 573 students, which makes this school 94% below average.
In Wahluke School District, 8 schools enroll a combined 2,455 students.
Roughly 97% of students at Sentinel Tech Alt School are Hispanic. The remaining students are 3% White. Among people living in Grant County, the Hispanic share is about 44%.
Sentinel Tech Alt School reported 1 full-time-equivalent teachers in 2024-25, a ratio of 36.0:1. The school's 36.0:1 compares with an average of 21.6:1 for high schools in Washington. Roughly 92% of students at Sentinel Tech Alt School can receive free or reduced-price lunch. The 69% average for public schools in Grant County is 23 points lower.
The school's county is Grant County. According to Census Bureau estimates, the median household earns about $73,267 a year, roughly 18% of adults have a four-year degree or more, and the share of residents below the poverty line is 12%. Sentinel Tech Alt School shares Grant County with 60 other public schools.
Saddle Mountain Elementary is the nearest public school to Sentinel Tech Alt School, about 1.1 miles away. Within five miles of Sentinel Tech Alt School, there are 7 other public schools.
Locale data from NCES put Sentinel Tech Alt School in rural territory some distance from an urban area (Rural: Distant).
A 38% gain took enrollment from 26 in 2020-21 to 36 in 2024-25. Staffing shifted too: the ratio moved from 26.0:1 to 36.0:1.
This page is set up for the Sentinel Tech Alt School community to discuss homework, tutoring, and testing dates. Members of the school community can share what they know.
Grant County at a glance
View full county profilePopulation
101,799
Census ACS
Median income
$73,267
Household, ACS
Bachelor's+
18%
Adults 25+
Poverty rate
12%
Below federal line
Schools in county
61
20,494 students
Quick facts
Related schools
Other schools in Wahluke School District
- Wahluke High SchoolHigh · 750 students
- Wahluke Junior HighMiddle · 554 students
- Saddle Mountain ElementaryElementary · 470 students
- Morris Schott ElementaryElementary · 317 students
- Mattawa ElementaryElementary · 199 students
- Mattawa Elementary Pre-SchoolElementary · 119 students
Other schools in Mattawa
- Wahluke High SchoolHigh · 750 students
- Wahluke Junior HighMiddle · 554 students
- Saddle Mountain ElementaryElementary · 470 students
- Morris Schott ElementaryElementary · 317 students
- Mattawa ElementaryElementary · 199 students
- Mattawa Elementary Pre-SchoolElementary · 119 students
Nearby schools
- Saddle Mountain Elementary1.1 mi · 470
- Mattawa Elementary Pre-School1.2 mi · 119
- Developmental Pre-School1.2 mi · 10
- Mattawa Elementary1.2 mi · 199
- Morris Schott Elementary1.2 mi · 317
- Wahluke Junior High1.2 mi · 554
Frequently asked questions
About Sentinel Tech Alt SchoolHow large is Sentinel Tech Alt School?
Sentinel Tech Alt School enrolls approximately 36 students in grades 06-12.
What age range does Sentinel Tech Alt School serve?
Sentinel Tech Alt School serves students from grade 06 through grade 12.
How many students per teacher at Sentinel Tech Alt School?
Approximately 36.0:1 students per teacher at Sentinel Tech Alt School.
How diverse is Sentinel Tech Alt School?
Sentinel Tech Alt School reports a student body of 3% White, 97% Hispanic.
Who oversees Sentinel Tech Alt School?
Sentinel Tech Alt School is overseen by Wahluke School District in Grant County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.